Specification Point 4.21:
Understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers

Alkane Structures

Alkanes: a homologous series of hydrocarbon compounds with only single carbon bonds that has the general formula CnH2n+2

Isomers: compounds that have the same molecular formula but different displayed formulae

Alkanes with up to five carbon atoms in molecule:

Alkane structures, Edexcel IGCSE Chemistry

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Author: Jamie

Jamie got a First class degree in Chemistry from Oxford University before going on to teach chemistry full time as a professional tutor. He’s put together these handy revision notes to match the Edexcel IGCSE Chemistry specification so you can learn exactly what you need to know for your exams.